GPT-5.4 Pro vs OpenAI o4 Mini High
OpenAI o4 Mini High is cheaper than GPT-5.4 Pro at $1.1/M vs $30/M input tokens.
Mario Level UI Recreation
Playable Mario level in one HTML file. The physics is the hard part.
Loading the build
Loading the build
Which answer wins?
Written rounds
12 promptsSeven pantry ingredients, one dish, and a name worth saying out loud.
GPT-5.4 Pro: Dragon Pantry Peanut Noodles A fast, sweet-savory noodle dish made from 7 pantry staples. Ingredients 8 oz spaghetti 1/3 cup peanut butter 3 tbsp soy sauce 1 tbsp honey 1 tbsp vegetable oil 1 tsp garlic powder 1/4 tsp red pepper flakes Water for boiling/thinning the sauce doesn’t count.
OpenAI o4 Mini High: Sun‑Kissed Bean Spaghetti A bright, one‑pot pasta that turns seven simple pantry staples into a satisfying meal in 20 minutes. Ingredients (serves 2–3) 8 oz (about 2 cups) dried spaghetti or any pasta 1 (14.5 oz) can diced tomatoes (with juices) 1 (15 oz) can beans (cannellini, kidney or chickpeas), drained & rinsed…
Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.
GPT-5.4 Pro: Below is a simplified LBO build for HarborTech Services (HTS). All figures in $m unless noted. Rounding: tables are rounded; IRR/MOIC use unrounded math. Entry / Sources & Uses FY2025 EBITDA: 120.0 Purchase price: 12.0x EBITDA → Enterprise value = 12.0 × 120.0 = 1,440.0 Transaction fees: 2.0% of EV → 28.8 Total uses =…
OpenAI o4 Mini High: Below is a five-year LBO “quick-and-dirty” model for HTS. All figures in $m. Assumptions (entry FY 2025): • Revenue 900; EBITDA 120 (13.3%); EV = 12.0×120 = 1,440 • Debt = 5.5×120 = 660 (Term Loan 480; Mezz 180); Fees = 2%×1,440 = 28.8 → Equity = 1,440+28.8–660 = 808.8 • Term Loan: 9.0% cash interest; 1.0% amort of…
One month, three habits, someone starting from nothing.
GPT-5.4 Pro: Here’s a simple, beginner-friendly 1-month health and longevity plan built around 3 key areas: Nutrition Movement Recovery (sleep + stress) The goal is consistency, not perfection. Start small and make the habits easy enough to keep.
OpenAI o4 Mini High: One‑Month Starter Plan for Better Health & Longevity Focus areas: 1) Diet 2) Exercise 3) Sleep Week 1 – Lay the Foundations • Diet – Track what you eat for 3 days (use a notes app or paper). – Add at least 8 cups (2 L) of water daily. – Include one extra serving of fruit or veg at each meal.
Buy-side IC memo on a fictional SaaS company. Valuation, then the diligence questions.
GPT-5.4 Pro: LedgerLift (LLLT) — IC Memo Recommendation: Pass 12-month PT range: $40–$47 2-sentence thesis: LedgerLift looks like a good business but only an average stock here: retention is strong (94% GRR, 123% NRR), the model is mostly subscription, and margins are inflecting, but at $46 the shares already discount a lot of the…
OpenAI o4 Mini High: Investment Committee Memo Subject: LedgerLift (LLLT) – B2B SaaS Spend Management & AP Automation Date: MM/DD/2026 Recommendation • Short LLLT; 12-month price target: $28–$43 • Thesis (2 sentences): LLLT’s shares trade at 9× NTM revenue and 35× EBIT vs.
Three-month biohacker protocol, with dosages and biomarkers named.
Three-star dish, one unusual pairing, plating described in full.
A consulting contract with traps in it. Find them, then fix them.
A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.
A collaborative editor that syncs on client clocks. Find what breaks first.
The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.
You are the CEO. The drug has a side effect nobody reported. The board meets in 48 hours.
One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.
Favorites
Movie
Album
Book
City
Game
GPT-5.4 ProGPT-5.4 Pro
Spirited Away
Abbey Road
Pale Fire
Kyoto
Outer Wilds
OpenAI o4 Mini HighOpenAI o4 Mini High
No pick
No pick
No pick
No pick
The Shawshank Redemption
No pick
No pick
No pick
No pick
Price and specs
Not enough votes to call it. On the specs, GPT-5.4 Pro has the edge: bigger model tier, newer, bigger context window. OpenAI o4 Mini High costs 41x less per token.
| Spec | GPT-5.4 Pro | OpenAI o4 Mini High |
|---|---|---|
| Input price | $30/M tokens | $1.1/M tokens |
| Output price | $180/M tokens | $4.4/M tokens |
| Context window | 1.1M tokens | 200K tokens |
| Weights | Closed | Closed |
| Free API (OpenRouter) | No | No |
| Released | Mar 2026 | Apr 2025 |
| At 10M a month | $300 | $11.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
OpenAI o4 Mini High1 host
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between GPT-5.4 Pro and OpenAI o4 Mini High?
Both are developed by OpenAI but target different use cases. GPT-5.4 Pro has a 1.1M token context window vs OpenAI o4 Mini High's 200K. You can compare their actual outputs across 18 challenges on Rival to see how they differ in practice.
Which is better, GPT-5.4 Pro or OpenAI o4 Mini High?
It depends on your use case. GPT-5.4 Pro and OpenAI o4 Mini High each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 18 challenges so you can judge which fits your needs best.
How much does GPT-5.4 Pro cost compared to OpenAI o4 Mini High?
GPT-5.4 Pro costs $30/M input tokens and OpenAI o4 Mini High costs $1.1/M input tokens. OpenAI o4 Mini High is $28.90/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.
How can I compare GPT-5.4 Pro and OpenAI o4 Mini High on Rival?
This page shows a side-by-side comparison of GPT-5.4 Pro and OpenAI o4 Mini High across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.
More comparisons
Against the newest arrivals
- GPT-5.4 Pro vs Step 5 PreviewLanded Oct 2026
- OpenAI o4 Mini High vs Claude Haiku 5.5Landed Oct 2026
- GPT-5.4 Pro vs Ling 3.1 FlashLanded Oct 2026
- OpenAI o4 Mini High vs Mistral Large 4Landed Oct 2026
- GPT-5.4 Pro vs GPT-6.1 SolLanded Sep 2026
- OpenAI o4 Mini High vs Claude Sonnet 5.5Landed Sep 2026
- GPT-5.4 Pro vs Solar Mini 4Landed Sep 2026
- OpenAI o4 Mini High vs Qwen3.8 Max PrimeLanded Sep 2026
Same lab, same size, long tail
- GPT-5.4 Pro vs GPT-5.4Version compare
- GPT-5.4 Pro vs GPT-6 Luna ProSame lab
- OpenAI o4 Mini High vs GPT-6.1 SolSame lab
- OpenAI o4 Mini High vs GPT-6 Luna ProSame lab
- GPT-5.4 Pro vs DeepSeek R1New provider
- GPT-5.4 Pro vs DeepSeek R1 0528Same size
- GPT-5.4 Pro vs DeepSeek V3 (March 2024)Same size
- GPT-5.4 Pro vs DeepSeek V3.2New provider
